Photographic products

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1983-03-14

1984-09-04

Raymond, Richard

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 22, 546268, 548119, 548203, 548252, 549 5, 549 11, C07D33900, C07D33908

Patent

active

044698771

ABSTRACT:
This invention relates to photographic products and processes employing silver halide solvent precursors of the formula ##STR1## wherein R.sup.1 is a monovalent organic radical; R.sup.2 is hydrogen or a monovalent organic radical; Z is a moiety that undergoes .beta.-elimination in aqueous alkaline solution and preferably is a moiety that undergoes .beta.-elimination in aqueous alkaline solution to release a photographically useful reagent; and n is an integer 3, 4 or 5.

REFERENCES:
patent: 3698898 (1972-10-01), Grasshoff et al.
patent: 3932480 (1976-01-01), Grasshoff et al.
patent: 3958992 (1976-05-01), Greenwald
patent: 4126459 (1978-11-01), Greenwald
patent: 4348529 (1982-09-01), Borror et al.
Herz et al., Silver Halide Complexing Agents, Research Disclosure, No. 13405, 6-1975, pp. 6-8.

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